//
//  Singleton.m
//  项目二
//
//  Created by rimi on 16/5/23.
//  Copyright © 2016年 objective. All rights reserved.
//

#import "Singleton.h"

@implementation Singleton
+(Singleton *)sayhello{
    static Singleton *singleton = nil;
    if (!singleton) {
        singleton = [[Singleton alloc]init];
    }
    return singleton;
}
@end
